view src/testdir/test_help.vim @ 26833:434eaef2ac62 v8.2.3945

patch 8.2.3945: Vim9: partial variable argument types are wrong Commit: https://github.com/vim/vim/commit/13789bf10338a0d049c78acfdc0870fc63e63f4f Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 30 13:29:00 2021 +0000 patch 8.2.3945: Vim9: partial variable argument types are wrong Problem: Vim9: partial variable argument types are wrong, leading to a crash. Solution: When adjusting the argument count also adjust the argument types. (closes #9433)
author Bram Moolenaar <Bram@vim.org>
date Thu, 30 Dec 2021 14:30:04 +0100
parents 35d000f3d591
children e3f3108a780a
line wrap: on
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" Tests for :help

source check.vim

func Test_help_restore_snapshot()
  help
  set buftype=
  help
  edit x
  help
  helpclose
endfunc

func Test_help_errors()
  call assert_fails('help doesnotexist', 'E149:')
  call assert_fails('help!', 'E478:')
  if has('multi_lang')
    call assert_fails('help help@xy', 'E661:')
  endif

  let save_hf = &helpfile
  set helpfile=help_missing
  help
  call assert_equal(1, winnr('$'))
  call assert_notequal('help', &buftype)
  let &helpfile = save_hf

  call assert_fails('help ' . repeat('a', 1048), 'E149:')

  new
  set keywordprg=:help
  call setline(1, "   ")
  call assert_fails('normal VK', 'E349:')
  bwipe!
endfunc

func Test_help_expr()
  help expr-!~?
  call assert_equal('eval.txt', expand('%:t'))
  close
endfunc

func Test_help_keyword()
  new
  set keywordprg=:help
  call setline(1, "  Visual ")
  normal VK
  call assert_match('^Visual mode', getline('.'))
  call assert_equal('help', &ft)
  close
  bwipe!
endfunc

func Test_help_local_additions()
  call mkdir('Xruntime/doc', 'p')
  call writefile(['*mydoc.txt* my awesome doc'], 'Xruntime/doc/mydoc.txt')
  call writefile(['*mydoc-ext.txt* my extended awesome doc'], 'Xruntime/doc/mydoc-ext.txt')
  let rtp_save = &rtp
  set rtp+=./Xruntime
  help
  1
  call search('mydoc.txt')
  call assert_equal('|mydoc.txt| my awesome doc', getline('.'))
  1
  call search('mydoc-ext.txt')
  call assert_equal('|mydoc-ext.txt| my extended awesome doc', getline('.'))
  close

  call delete('Xruntime', 'rf')
  let &rtp = rtp_save
endfunc

func Test_help_completion()
  call feedkeys(":help :undo\<C-A>\<C-B>\"\<CR>", 'tx')
  call assert_equal('"help :undo :undoj :undol :undojoin :undolist', @:)
endfunc

" Test for the :helptags command
" NOTE: if you run tests as root this will fail.  Don't run tests as root!
func Test_helptag_cmd()
  call mkdir('Xdir/a/doc', 'p')

  " No help file to process in the directory
  call assert_fails('helptags Xdir', 'E151:')

  call writefile([], 'Xdir/a/doc/sample.txt')

  " Test for ++t argument
  helptags ++t Xdir
  call assert_equal(["help-tags\ttags\t1"], readfile('Xdir/tags'))
  call delete('Xdir/tags')

  " Duplicate tags in the help file
  call writefile(['*tag1*', '*tag1*', '*tag2*'], 'Xdir/a/doc/sample.txt')
  call assert_fails('helptags Xdir', 'E154:')

  call delete('Xdir', 'rf')
endfunc

func Test_helptag_cmd_readonly()
  CheckUnix
  CheckNotRoot

  " Read-only tags file
  call mkdir('Xdir/doc', 'p')
  call writefile([''], 'Xdir/doc/tags')
  call writefile([], 'Xdir/doc/sample.txt')
  call setfperm('Xdir/doc/tags', 'r-xr--r--')
  call assert_fails('helptags Xdir/doc', 'E152:', getfperm('Xdir/doc/tags'))

  let rtp = &rtp
  let &rtp = 'Xdir'
  helptags ALL
  let &rtp = rtp

  call delete('Xdir/doc/tags')

  " No permission to read the help file
  call mkdir('Xdir/b/doc', 'p')
  call writefile([], 'Xdir/b/doc/sample.txt')
  call setfperm('Xdir/b/doc/sample.txt', '-w-------')
  call assert_fails('helptags Xdir', 'E153:', getfperm('Xdir/b/doc/sample.txt'))
  call delete('Xdir', 'rf')
endfunc

" Test for setting the 'helpheight' option in the help window
func Test_help_window_height()
  let &cmdheight = &lines - 24
  set helpheight=10
  help
  set helpheight=14
  call assert_equal(14, winheight(0))
  set helpheight& cmdheight=1
  close
endfunc

func Test_help_long_argument()
  try
    exe 'help \%' .. repeat('0', 1021)
  catch
    call assert_match("E149:", v:exception)
  endtry
endfunc


" vim: shiftwidth=2 sts=2 expandtab